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andrewodri/test.js

Created January 22, 2018 18:03
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String concatenation versus template literals
Raw
test.js
var precalculatedIso = (new Date()).toISOString();
console.time("es6Variable");
for(var i = 0; i < 100000; i++){
var test = `<body>
<article>
<time datetime='${ precalculatedIso }'>${ precalculatedIso }</time>
</article>
</body>`;
}
console.timeEnd("es6Variable");
console.time("stringVariable");
for(var i = 0; i < 100000; i++){
var test = "<body>"+
"<article>"+
"<time datetime='" + precalculatedIso +"'>"+ precalculatedIso +"</time>"+
"</article>"+
"</body>";
}
console.timeEnd("stringVariable");
console.time("es6Function");
for(var i = 0; i < 100000; i++){
var test = `<body>
<article>
<time datetime='${ (new Date()).toISOString() }'>${ (new Date()).toISOString() }</time>
</article>
</body>`;
}
console.timeEnd("es6Function");
console.time("stringFunction");
for(var i = 0; i < 100000; i++){
var test = "<body>"+
"<article>"+
"<time datetime='" + (new Date()).toISOString() +"'>"+ (new Date()).toISOString() +"</time>"+
"</article>"+
"</body>";
}
console.timeEnd("stringFunction");
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