let big;if (x > 10) { big = true;}else { big = false;} Shorthand: let big = x > 10 ? true : false; If you rely on some of the weak typing characteristics of JavaScript, this can also achieve more concise code.
Short Hand if...elseThere is also a short-hand if else, which is known as the ternary operator because it consists of three operands.It can be used to replace multiple lines of code with a single line, and is most often used to replace simple if else statements:...
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If the first value istrue, it always returnstrue, no matter what the second value is. So basically it works like this function: function or(x, y) {if(x) {returntrue; }elseif(y) {returntrue; }else{returnfalse; } } If you still don't understand, look at this table: |truefalse-...
functionupdateSomething(data={}){// 从data对象中解构出常量,而且重新命名veryLongPropertyconst{target,veryLongProperty:property}=data;let{willChange}=data;if(willChange==='unwantedValue'){willChange='wayBetter';}// Do more.useDataSomewhereElse({target,property,willChange});} ...
RC file is normal Javascript (Node.js) script. Output must be stored inmodule.exportsvariable. Example.usonrc.js varchance=require('chance')();module.exports={types:{g:function(val){varargs=[];varcmd=null;if(typeofval=="object"){cmd=Object.keys(val)[0];args=val[cmd];}else{cmd=val...
This screencast is discussing the CSS Font shorthand property, and why I don’t think it should be used. I hope the sound and video quality are acceptable. Let me know what you think — and be nice, it’s my first screencast!
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