Promiseã§ç°¡å˜ï¼JavaScriptéžåŒæœŸå‡¦ç†å…¥é–€ã€å‰ç·¨ã€‘ECMAScript 2015（ECMAScript 6）ã§æ–°ãŸã«è¿½åŠ ã•ã‚ŒãŸPromiseã«ã¤ã„ã¦ã€ãã®æ¦‚è¦ã‚’å…¨2回ã«æ¸¡ã£ã¦ç´¹ä»‹ã—ã¾ã™ã€‚ ã²ã¨ã¤ãšã¤å‡¦ç†ã•ã‚Œã‚‹JavaScript ã¾ãšã€Promiseã«ã¤ã„ã¦è§£èª¬ã™ã‚‹å‰ã«ã€åŸºç¤Žçš„ãªã“ã¨ã§ã¯ã‚ã‚Šã¾ã™ãŒã€JavaScriptã®ã‚³ãƒ¼ãƒ‰ãŒã©ã®ã‚ˆã†ã«JavaScriptエンジンã«å‡¦ç†ã•ã‚Œã‚‹ã‹ã«ã¤ã„ã¦ã€è»½ã解説ã—ã¦ãŠãã¾ã—ょã†ã€‚例ãˆã°ä»¥ä¸‹ã®æ§˜ãªã‚³ãƒ¼ãƒ‰ãŒã‚ã£ãŸã¨ã—ã¾ã™ã€‚ var result1 = 1 + 2; // 3 var result2 = result1 + 100; // 103 /* functionらを準備 */ var doSomething1 = function() { document.getElementById('price').value = result2; }; var doSomething2 = function()
{{#tags}}- {{label}}
{{/tags}}