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qizhihere/delay-search-prompt.js

Last active August 29, 2015 14:24
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show delay prompt for search bar
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delay-search-prompt.js
function delayPrompt(event, elem, cb) {
var value = elem.prop('value');
this.lastKeyUp = event.timeStamp;
setTimeout(function() {
/* check input interval */
if (this.lastKeyUp - event.timeStamp !== 0) {
return;
}
if (value && value.trim() && value != this.lastVal) {
/* send search request and do prompt */
cb(value);
this.lastVal = value;
}
}, 400);
}
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