回答編集履歴
3
書式の追加
test
CHANGED
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@@ -64,10 +64,232 @@
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64
64
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65
65
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```
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66
66
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67
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-
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67
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+
小数の計算などの処理を追加
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68
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+
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69
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+
なんだか酷いことに
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68
70
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69
71
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```Javascript
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70
72
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71
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-
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73
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+
const first = document.getElementById("q6-1");
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74
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+
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75
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+
const second = document.getElementById("q6-2");
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76
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+
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77
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const btn = document.getElementById("q6-btn");
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78
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+
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79
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const result = document.getElementById("q6result");
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80
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+
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81
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82
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83
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btn.addEventListener("click", () => {
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84
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85
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const fVal = first.value;
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86
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+
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87
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const sVal = second.value;
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88
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89
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const fNum = Number(fVal);
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90
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91
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const sNum = Number(sVal);
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92
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93
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if (fVal.match(/^-?[0-9]+.[0-9]+$/) || sVal.match(/^-?[0-9]+.[0-9]+$/)) {
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94
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95
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changeInteger(fVal, sVal);
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96
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+
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97
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}
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98
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99
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else if (Number.isInteger(fNum) && Number.isInteger(sNum)) {
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100
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101
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result.innerText = calc(fNum, sNum);
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102
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+
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103
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} else {
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104
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105
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result.innerText = "エラー";
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106
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107
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}
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108
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109
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});
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110
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+
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111
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112
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113
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const calc = (num1, num2) => {
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114
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115
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const select = document.getElementById("op6").value;
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116
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117
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switch (select) {
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118
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119
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case "＋":
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120
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121
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return num1 + num2;
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122
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123
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break;
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124
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125
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case "‐":
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126
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127
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return num1 - num2;
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128
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129
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break;
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130
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131
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case "×":
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132
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133
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return num1 * num2;
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134
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135
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console.log(num1 * num2);
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136
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137
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break;
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138
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139
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case "÷":
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140
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141
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if (num2 === 0) { return "エラー" }
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142
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143
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else {
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144
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145
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return num1 * 10000 % num2 === 0 ? num1 / num2
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146
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147
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: Math.trunc(num1 / num2) + "余り" + num1 % num2;
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148
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149
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}
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150
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151
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break;
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152
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153
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}
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154
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155
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}
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156
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157
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158
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159
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const changeInteger = (num1, num2) => {
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160
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161
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const num1DotLen = num1.indexOf(".") === -1 ? 0 : num1.split(".")[1].length;
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162
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163
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const num2DotLen = num2.indexOf(".") === -1 ? 0 : num2.split(".")[1].length;
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164
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165
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const num1Rep = num1.indexOf(".") === -1 ? num1 : num1.replace(".", "");
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166
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167
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const num2Rep = num2.indexOf(".") === -1 ? num2 : num2.replace(".", "");
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168
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169
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if (num1DotLen > num2DotLen) {
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170
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171
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const digit = num1DotLen - num2DotLen;
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172
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173
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const num1 = addZero(0, num1Rep);
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174
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175
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const num2 = addZero(digit, num2Rep);
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176
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177
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changeDecimal(calc(num1, num2), num1DotLen, num2DotLen);
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178
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179
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} else if (num2DotLen > num1DotLen) {
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180
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+
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181
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const digit = num2DotLen - num1DotLen;
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182
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183
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const num1 = addZero(digit, num1Rep)
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184
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185
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const num2 = addZero(0, num2Rep);
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186
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187
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changeDecimal(calc(num1, num2), num2DotLen, num1DotLen);
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188
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189
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} else {
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190
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+
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191
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const num1 = addZero(0, num1Rep);
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192
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+
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193
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const num2 = addZero(0, num2Rep);
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194
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195
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changeDecimal(calc(num1, num2), num1DotLen, num1DotLen);
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196
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197
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}
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198
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+
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199
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}
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200
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+
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201
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202
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203
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const addZero = (digit, num) => {
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204
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205
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const zero = "0"
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206
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207
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const number = Number(num + zero.repeat(digit));
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208
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209
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return number;
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210
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+
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211
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}
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212
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213
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214
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215
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const changeDecimal = (num, dot1, dot2) => {
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216
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+
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217
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const select = document.getElementById("op6").value;
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218
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+
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219
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if (select === "＋" || select === "‐") {
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220
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+
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221
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const answer = String(num).slice(0, String(num).length - dot1) + "." + String(num).slice(String(num).length - dot1);
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222
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223
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if (answer.slice(0, 1) === ".") {
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224
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225
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result.innerText = 0 + answer
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226
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+
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227
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} else if (answer.slice(0, 2) === "-.") {
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228
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+
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229
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result.innerText = answer.slice(0, 1) + "0" + answer.slice(1, answer.length)
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230
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+
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231
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} else {
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232
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+
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233
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result.innerText = answer
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234
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+
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235
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}
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236
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+
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237
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}
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238
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+
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239
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if (select === "×") {
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240
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+
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241
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+
const zero = "0";
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242
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+
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243
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const add0 = String(num).match("-")
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244
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+
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245
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? "-" + zero.repeat(dot1 + dot2) + String(num).replace("-", "")
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246
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+
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247
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: zero.repeat(dot1 + dot2) + String(num);
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248
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+
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249
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if (add0.match(/[0]*$/)) {
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250
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+
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251
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const reg = new RegExp("[0]" + "{" + (dot1 - dot2) + "}$", "g");
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252
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+
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253
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const regNum = add0.replace(reg, "");
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254
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+
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255
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+
const answer = regNum.slice(0, regNum.length - (dot1 + dot2)) + "." + regNum.slice(regNum.length - (dot1 + dot2))
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256
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+
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257
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result.innerText = Number(answer);
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258
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+
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259
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+
}
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260
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+
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261
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+
}
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262
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+
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263
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+
if (select === "÷") {
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264
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+
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265
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+
if (String(num).indexOf("余り") === -1) {
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266
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+
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267
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+
result.innerText = num;
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268
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+
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269
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+
} else {
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270
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+
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271
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+
const remainder = String(num).split("余り")[1];
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272
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+
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273
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+
const remainderDot = remainder.slice(0, remainder.length - dot1) + "." + remainder.slice(remainder.length - dot1);
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274
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+
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275
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+
if (remainderDot.slice(0, 1) === ".") {
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276
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+
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277
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+
result.innerText = String(num).split("余り")[0] + "余り" + 0 + remainderDot;
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278
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+
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279
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+
} else if (remainderDot.slice(0, 2) === "-.") {
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280
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+
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281
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+
result.innerText = String(num).split("余り")[0] + "余り" + remainderDot.slice(0, 1) + "0" + remainderDot.slice(1, remainderDot.length)
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282
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+
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283
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+
} else {
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284
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+
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285
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+
result.innerText = String(num).split("余り")[0] + "余り" + remainderDot;
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286
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+
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287
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+
}
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288
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+
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289
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+
}
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290
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+
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291
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+
}
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292
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+
|
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293
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+
}
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72
294
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73
295
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```。
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2
文法の修正
test
CHANGED
|
@@ -63,3 +63,11 @@
|
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|
63
63
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});
|
|
64
64
|
|
|
65
65
|
```
|
|
66
|
+
|
|
67
|
+
元のコードだと少数の計算をするとずれてたので対応する予定。
|
|
68
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+
|
|
69
|
+
```Javascript
|
|
70
|
+
|
|
71
|
+
|
|
72
|
+
|
|
73
|
+
```。
|
1
書式の改善
test
CHANGED
|
@@ -1,6 +1,8 @@
|
|
|
1
1
|
アウトプットのため作成。とりあえず
|
|
2
2
|
|
|
3
3
|
半角数字以外(-.+は除く)を打ち込むとエラーが出るようにしてみました。
|
|
4
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+
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|
5
|
+
2進数や8進数16進数も対応しているみたいです。
|
|
4
6
|
|
|
5
7
|
```Javascript
|
|
6
8
|
|