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Javascript\u3067\u5909\u6570\u5ba3\u8a00\u306e\u6642const\u3068let\u3092\u666e\u6bb5\u306f\u4f7f\u3063\u3066\u308b\u3093\u3067\u3059\u304c\u3001\u53e4\u3044Android\u3060\u3068\u30a8\u30e9\u30fc\u3059\u308b\u306e\u3067\u30b5\u30a4\u30c8\u306b\u3088\u3063\u3066\u306fvar\u306b\u3057\u305f\u308a\u3057\u307e\u3059\u3002
let=var\u306e\u611f\u899a\u3067\u96d1\u306b\u5909\u63db\u3057\u3066\u3044\u305f\u3089\u30c9\u30c4\u30dc\u306b\u30cf\u30de\u3063\u305f\u306e\u3067\u5099\u5fd8\u9332\u7684\u306b\u66f8\u304d\u6b8b\u3057\u3066\u304a\u3053\u3046\u304b\u306a\u3068\u3002<\/p>\n\n\n\n
for(let i = 0; i < 10; i++){<\/p>\n\n\n\n
setTimeout(function(){\n\n console.log('i='+i);\n\n},i*100);<\/code><\/pre>\n\n\n\n}<\/p>\n\n\n\n
\u30bd\u30fc\u30b9\u3068\u3057\u3066\u306f\u3053\u3093\u306a\u611f\u3058\u3067\u3002
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\u6b21\u306bvar\u3067\u3084\u3063\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n
for(var i = 0; i < 10; i++){<\/p>\n\n\n\n
setTimeout(function(){\n\n console.log('i='+i);\n\n},i*100);<\/code><\/pre>\n\n\n\n}<\/p>\n\n\n\n
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var\u3060\u3068for\u5185\u3060\u3063\u305f\u3089\u3069\u3053\u3067\u3082\u30a2\u30af\u30bb\u30b9\u51fa\u6765\u3066\u308b\u611f\u3058\u3067\u3059\u304b\u306d\u3002
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let\u3068var\u3067\u305d\u3093\u306a\u9055\u3044\u304c\u3042\u308b\u3068\u306f\u3002
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\u3061\u306a\u307f\u306blet\u306e\u65b9\u306b\u8fd1\u3065\u3051\u308b\u306b\u306f<\/p>\n\n\n\n
for(var i = 0; i < 10; i++){<\/p>\n\n\n\n
setTimeout(show(i),i*100);<\/code><\/pre>\n\n\n\n}<\/p>\n\n\n\n
function show(num){<\/p>\n\n\n\n
console.log('i='+num);<\/code><\/pre>\n\n\n\n}<\/p>\n\n\n\n
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\u6587\uff1a\u958b\u767a\u30b9\u30bf\u30c3\u30d5A<\/p>\n","protected":false},"excerpt":{"rendered":"
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