[javascript] Remove last 3 characters of string or number in javascript

Here is an approach using str.slice(0, -n). Where n is the number of characters you want to truncate.

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var str = 1437203995000;_x000D_
str = str.toString();_x000D_
console.log("Original data: ",str);_x000D_
str = str.slice(0, -3);_x000D_
str = parseInt(str);_x000D_
console.log("After truncate: ",str);
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